Composite material 1-5, 13 advanced 7 brittle matrix

Investigations on the influence of fibres on the behaviour of advanced composite materials, where the fibre volume fraction is high and tends to be exploited mostly in an uncracked matrix, provided a system of reliable relations. In brittle matrix composites the situation is somewhat different the fibre volume fraction is usually low and their influence in an uncracked state is small and covered by a large scatter, which is characteristic for these materials properties. The fibres act on, and modify considerably, the brittle matrix behaviour only after the cracking. 

---